During the six-month periods ended June 30, 2022 and 2021, we paid interest aggregating $31,126 and $4,013, respectively. During the six-month period ended June 30, 2021, we collected $2,925,000 of stock subscriptions which were received prior to the filing of our Annual Report on Form 10-K for the year ended December 31, 2020 and were included in stock subscriptions receivable in our consolidated balance sheet as of December 31, 2020. During the six-month periods ended June 30, 2022 and 2021, we issued 53,238 and 30,018 shares of our common stock as matching contributions to our 401(k) Plan which were valued at $44,720 and $76,846, respectively. During the six-month period ended June 30, 2022, we issued 16,632 shares of our Common Stock to certain of our employees as partial payment in lieu of cash for their 2021 bonuses, which were valued at $16,965.